EP3491288C0 - Collimateur à barres, système et procédé de rétroéclairage - Google Patents

Collimateur à barres, système et procédé de rétroéclairage

Info

Publication number: EP3491288C0
Authority: EP; European Patent Office
Prior art keywords: collimator; rod; backlight system; backlight; rod collimator
Prior art date: 2016-07-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

EP16910703.4A

Other languages

German (de)

English (en)

Other versions

EP3491288A4 (fr

EP3491288B1 (fr

EP3491288A1 (fr

Inventor

Xuejian Li

Ming Ma

David A Fattal

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Leia Inc

Original Assignee

Leia Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2016-07-26

Filing date

2016-07-26

Publication date

2024-11-06

2016-07-26 Application filed by Leia Inc filed Critical Leia Inc

2019-06-05 Publication of EP3491288A1 publication Critical patent/EP3491288A1/fr

2020-03-25 Publication of EP3491288A4 publication Critical patent/EP3491288A4/fr

2024-11-06 Application granted granted Critical

2024-11-06 Publication of EP3491288B1 publication Critical patent/EP3491288B1/fr

2024-11-06 Publication of EP3491288C0 publication Critical patent/EP3491288C0/fr

Status Active legal-status Critical Current

2036-07-26 Anticipated expiration legal-status Critical

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0028—Light guide, e.g. taper
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Planar Illumination Modules (AREA)
Diffracting Gratings Or Hologram Optical Elements (AREA)
Transforming Electric Information Into Light Information (AREA)
Liquid Crystal (AREA)

EP16910703.4A 2016-07-26 2016-07-26 Collimateur à barres, système et procédé de rétroéclairage Active EP3491288B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US2016/044124 WO2018022028A1 (fr)	2016-07-26	2016-07-26	Collimateur à barres, système et procédé de rétroéclairage

Publications (4)

Publication Number	Publication Date
EP3491288A1 EP3491288A1 (fr)	2019-06-05
EP3491288A4 EP3491288A4 (fr)	2020-03-25
EP3491288B1 EP3491288B1 (fr)	2024-11-06
EP3491288C0 true EP3491288C0 (fr)	2024-11-06

Family

ID=61016441

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP16910703.4A Active EP3491288B1 (fr)	2016-07-26	2016-07-26	Collimateur à barres, système et procédé de rétroéclairage

Country Status (8)

Country	Link
US (1)	US10942307B2 (fr)
EP (1)	EP3491288B1 (fr)
JP (2)	JP7203010B2 (fr)
KR (1)	KR20190025554A (fr)
CN (1)	CN109477625A (fr)
CA (1)	CA3027156C (fr)
TW (1)	TWI638194B (fr)
WO (1)	WO2018022028A1 (fr)

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CA3053760C (fr)	2017-03-31	2021-08-03	Leia Inc.	Retroeclairage, affichage multi-vues et procede utilisant un collimateur effile
CN111801526B (zh)	2018-03-01	2023-06-02	镭亚股份有限公司	采用准直的被引导的光的静态多视图显示器及方法
US10859870B2 (en) *	2018-06-26	2020-12-08	Applied Materials, Inc.	3D displays
CN112534337B (zh)	2018-08-13	2024-05-28	镭亚股份有限公司	光栅准直器、背光系统和采用光回收光源的方法
CN112867958B (zh)	2018-10-15	2023-02-28	镭亚股份有限公司	具有光栅扩展器的背光、多视图显示器和方法
CN113785229B (zh)	2019-04-28	2023-11-17	镭亚股份有限公司	制造衍射背光的方法
CN110244492B (zh) *	2019-06-18	2022-06-07	京东方科技集团股份有限公司	透明显示基板及透明显示装置
US20220179147A1 (en) *	2020-12-04	2022-06-09	Facebook Technologies, Llc	Patterned backlight for display panel

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WO2008081071A1 (fr)	2006-12-28	2008-07-10	Nokia Corporation	Plaque guide de lumière et procédé de fabrication de celle-ci
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WO2010010749A1 (fr)	2008-07-22	2010-01-28	シャープ株式会社	Unité à rétroéclairage et dispositif d'affichage à cristaux liquides
KR101290205B1 (ko)	2008-07-28	2013-07-30	픽셀 키 코포레이션	회절 액정 디스플레이
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US9201270B2 (en)	2012-06-01	2015-12-01	Leia Inc.	Directional backlight with a modulation layer
EP3211299A1 (fr) *	2012-10-24	2017-08-30	SeeReal Technologies S.A.	Dispositif d'éclairage
US9298168B2 (en)	2013-01-31	2016-03-29	Leia Inc.	Multiview 3D wrist watch
US8915635B2 (en) *	2013-03-13	2014-12-23	Hewlett-Packard Development Company, L.P.	Backlight having dual collimating reflectors
KR101660911B1 (ko) *	2013-07-30	2016-09-28	레이아 인코포레이티드	다중빔 회절 격자-기반의 백라이트
CN203799043U (zh) *	2014-04-16	2014-08-27	锦湖光电(深圳)有限公司	改良的导光板
US9557466B2 (en)	2014-07-30	2017-01-31	Leia, Inc	Multibeam diffraction grating-based color backlighting
TW201619672A (zh) *	2014-11-28	2016-06-01	Metal Ind Res & Dev Ct	畫素式背光模組
KR20160067447A (ko) *	2014-12-04	2016-06-14	삼성전자주식회사	디스플레이 장치
ES2959422T3 (es) *	2015-01-10	2024-02-26	Leia Inc	Guía de luz acoplada a red
KR20160087185A (ko) *	2015-01-13	2016-07-21	한국전자통신연구원	백라이트 유닛 및 상기 백라이트 유닛을 갖는 표시 장치
KR20180020163A (ko) *	2015-06-26	2018-02-27	코베스트로 도이칠란트 아게	간접 조명 장치 및 간접 조명 장치의 제조 방법
EP3345042B1 (fr)	2015-09-05	2021-12-01	LEIA Inc.	Collimateur à double surface, et afficheur électronique 3d employant un rétroéclairage basé sur un réseau et utilisant ce collimateur
JP6698822B2 (ja)	2015-09-05	2020-05-27	レイア、インコーポレイテッドＬｅｉａＩｎｃ．	二方向コリメータ
JP6971242B2 (ja)	2016-01-30	2021-11-24	レイア、インコーポレイテッドLeia Inc.	マルチビーム要素型バックライトおよびこれを用いたディスプレイ

2016
- 2016-07-26 EP EP16910703.4A patent/EP3491288B1/fr active Active
- 2016-07-26 JP JP2019503966A patent/JP7203010B2/ja active Active
- 2016-07-26 CN CN201680087713.3A patent/CN109477625A/zh active Pending
- 2016-07-26 CA CA3027156A patent/CA3027156C/fr active Active
- 2016-07-26 WO PCT/US2016/044124 patent/WO2018022028A1/fr not_active Ceased
- 2016-07-26 KR KR1020187036493A patent/KR20190025554A/ko not_active Ceased
2017
- 2017-06-21 TW TW106120744A patent/TWI638194B/zh active
2019
- 2019-01-21 US US16/253,160 patent/US10942307B2/en active Active
2022
- 2022-04-25 JP JP2022071512A patent/JP2022109976A/ja not_active Withdrawn

Also Published As

Publication number	Publication date
TW201804189A (zh)	2018-02-01
KR20190025554A (ko)	2019-03-11
CN109477625A (zh)	2019-03-15
JP2019531574A (ja)	2019-10-31
EP3491288A4 (fr)	2020-03-25
JP2022109976A (ja)	2022-07-28
US10942307B2 (en)	2021-03-09
CA3027156A1 (fr)	2018-02-01
EP3491288B1 (fr)	2024-11-06
EP3491288A1 (fr)	2019-06-05
CA3027156C (fr)	2021-05-25
WO2018022028A1 (fr)	2018-02-01
JP7203010B2 (ja)	2023-01-12
US20190196091A1 (en)	2019-06-27
TWI638194B (zh)	2018-10-11

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Legal Events

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